Well, the resize operation implies to reschedule the instance to a new host (given the flavor is different) than can possibly be the same host if the config option allow_resize_to_same_host is set to True (defaulted to False).
So, it's perfectly normal to have the hypervisor_hostname changed if you resize an instance.
Well, the resize operation implies to reschedule the instance to a new host (given the flavor is different) than can possibly be the same host if the config option allow_resize_ to_same_ host is set to True (defaulted to False).
So, it's perfectly normal to have the hypervisor_hostname changed if you resize an instance.